Finally the install begins with an update check (another firewall
panic), and what the installer claims will be a four-step process. It
briefly "inspects" the system (whatever that means), then gives me a
choice of two install methods - Full or Express (recommended). The least
amount I can install is *200MB* apparently!!! WTF!!! For a *printer
driver*? Gimmie a break. Oh well, I may as well go with "full" (at some
450MB) and be done with it. Don't wanna get short changed, after all.
Then comes the obligatory license agreement, where I have to swear a
blood-oath to sacrifice my first-born to King Herod, or something.
The next bit is far more worrisome, and indeed quite shocking.
Apparently HP want to install some software on my system called "HP
Extended Capabilities", that rather ominously collects information about
*every page* I print and *sends that info to HP* for "marketing
purposes". Good God almighty!
At this point the Wizard's progress is still only at 9%, and that's as
far as it's going to get apparently, because it b0rks with the message
"The installation was not successful"; generates some log files; reports
the error to HP; suggests I unplug all my USB devices (I don't have any
plugged in); undoes everything it's done so far; then quits.
Oh, and apparently I still have to reboot anyway, even though it failed
# Linux #
From the Gnome menu: System -> Administration -> Printing
Type root password (of course, since I am changing system settings).
Click the "New Printer" button, then select the "HP JetDirect" protocol.
Type in the IP number  (shown in my router's "connected devices"
page), and the port number (already correctly set at 9100).
Select the printer make ("HP" is preselected) and model ("Deskjet 6940"
is also preselected).
Give it a common name, description and location (for information
Total time: 15 seconds.
Total software installed: zero.